Weights of Vacuum Cleaners Upright vacuum cleaners have either a hard body type or a soft body type. Shown are the weights in pounds of a sample of each type. Find the 99% confidence interval for the difference of the means. Assume the variables are normally distributed and the variances are unequal. Use TI-83 Plus/TI-84 Plus calculator. Round the answers to at least one decimal place. Hard body types Soft body types 20 23 16 17 14 16 17 24 17 13 15 16 13 18 13 12 18 18 21 17 17 20 16 17 Send data to Excel Use u, for the mean weight of the hard body type.

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Weights of Vacuum Cleaners Upright vacuum cleaners have either a hard body type or a soft body type. Shown are the weights in pounds of a sample of
each type. Find the 99% confidence interval for the difference of the means. Assume the variables are normally distributed and the variances are unequal. Use a
TI-83 Plus/TI-84 Plus calculator. Round the answers to at least one decimal place.
Hard body types
Soft body types
20
23
16
17
14
16
17
24
17
13
15
16
13
18
13
12
18
18
21
17
17
20
16
17
Send data to Excel
Use u, for the mean weight of the hard body type.
Submit Assignm
Save For Later
Check
O2021 McGraw-Hill Education. All Rights Reserved. Terms of Use Privacy I Acces
Transcribed Image Text:Weights of Vacuum Cleaners Upright vacuum cleaners have either a hard body type or a soft body type. Shown are the weights in pounds of a sample of each type. Find the 99% confidence interval for the difference of the means. Assume the variables are normally distributed and the variances are unequal. Use a TI-83 Plus/TI-84 Plus calculator. Round the answers to at least one decimal place. Hard body types Soft body types 20 23 16 17 14 16 17 24 17 13 15 16 13 18 13 12 18 18 21 17 17 20 16 17 Send data to Excel Use u, for the mean weight of the hard body type. Submit Assignm Save For Later Check O2021 McGraw-Hill Education. All Rights Reserved. Terms of Use Privacy I Acces
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